-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.g2d.utils.geom;\r
-\r
-import java.awt.geom.Point2D;\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.HashSet;\r
-import java.util.Set;\r
-\r
-import org.simantics.g2d.utils.GeometryUtils;\r
-\r
-/**\r
- * A set of compass [0..360) directions\r
- */\r
-public class DirectionSet extends HashSet<Double> {\r
- \r
- public static final DirectionSet NESW = new DirectionSet(0.0, 90.0, 180.0, 270.0);\r
- \r
- public static final DirectionSet N = new DirectionSet(0.0);\r
- public static final DirectionSet NE = new DirectionSet(0.0, 90.0);\r
- public static final DirectionSet E = new DirectionSet(90.0);\r
- public static final DirectionSet SE = new DirectionSet(90.0,180.0);\r
- public static final DirectionSet S = new DirectionSet(180.0);\r
- public static final DirectionSet SW = new DirectionSet(180.0, 270.0);\r
- public static final DirectionSet W = new DirectionSet(270.0);\r
- public static final DirectionSet NW = new DirectionSet(270.0, 0.0);\r
-\r
- public static final DirectionSet NE2 = new DirectionSet(0.0, 90.0, 45.0);\r
- public static final DirectionSet SE2 = new DirectionSet(90.0,180.0, 135.0);\r
- public static final DirectionSet SW2 = new DirectionSet(180.0, 270.0, 225.0);\r
- public static final DirectionSet NW2 = new DirectionSet(270.0, 0.0, 315.0);\r
- \r
- public static final DirectionSet HORIZ = new DirectionSet(90.0, 270.0);\r
- public static final DirectionSet VERT = new DirectionSet(0.0, 180.0);\r
- public static final DirectionSet ANY = \r
- new DirectionSet(\r
- 0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180,\r
- 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345); \r
-\r
- private Set<Point2D> unitVectors;\r
- \r
- public DirectionSet(double ... directions)\r
- {\r
- for (double d : directions)\r
- add(d);\r
- }\r
- \r
- private static final long serialVersionUID = 1L;\r
- private boolean add(double e) {\r
- if (e<0 || e>=360.0) e = Math.IEEEremainder(e, 360.0);\r
- if (e<0) e = 360.0-e;\r
- return super.add(e);\r
- }\r
- @Override\r
- public boolean add(Double e) {\r
- unitVectors = null;\r
- if (e==null) return false;\r
- return add((double)e);\r
- }\r
- @Override\r
- public boolean addAll(Collection<? extends Double> c) {\r
- unitVectors = null;\r
- return super.addAll(c);\r
- }\r
- @Override\r
- public boolean remove(Object o) {\r
- unitVectors = null;\r
- return super.remove(o);\r
- }\r
- @Override\r
- public boolean removeAll(Collection<?> c) {\r
- unitVectors = null;\r
- return super.removeAll(c);\r
- }\r
- @Override\r
- public void clear() {\r
- unitVectors = null;\r
- super.clear();\r
- }\r
- \r
- public Double getClosestDirection(double d2)\r
- {\r
- Double closest = null;\r
- for (Double d1 : this)\r
- {\r
- double diff = d1>180==d2>180 ? Math.abs(d1-d2) : d1<d2 ? d1-d2+360 : d2-d1+360;\r
- if (closest==null || closest<diff)\r
- closest = diff;\r
- }\r
- return closest;\r
- }\r
- public Double getClosestDirection(double d2, double tolerance)\r
- {\r
- Double closest = null;\r
- for (Double d1 : this)\r
- {\r
- double diff = d1>180==d2>180 ? Math.abs(d1-d2) : d1<d2 ? d1-d2+360 : d2-d1+360;\r
- if (diff>tolerance) continue;\r
- if (closest==null || closest<diff)\r
- closest = diff;\r
- }\r
- return closest;\r
- } \r
- \r
- /**\r
- * Create direction set of inverse directions\r
- * @return\r
- */\r
- public DirectionSet createInverse() \r
- {\r
- DirectionSet result = new DirectionSet();\r
- for (double dir : this)\r
- {\r
- dir = dir + 180.0;\r
- if (dir>360.0) dir-=360.0;\r
- result.add(dir);\r
- }\r
- return result;\r
- }\r
- \r
- \r
- /**\r
- * Get directions as unit vectors\r
- * @return collection where to add unit vectors\r
- */\r
- private Set<Point2D> createUnitVectors() {\r
- HashSet<Point2D> result = new HashSet<Point2D>(size());\r
- for (double d : this)\r
- result.add( GeometryUtils.toUnitVector(d, new Point2D.Double()) );\r
- return result;\r
- }\r
-\r
- public Set<Point2D> getUnitVectors() {\r
- if (unitVectors==null) {\r
- unitVectors = createUnitVectors();\r
- unitVectors = Collections.unmodifiableSet(unitVectors);\r
- }\r
- return unitVectors;\r
- }\r
-\r
- \r
- \r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.utils.geom;
+
+import java.awt.geom.Point2D;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.simantics.g2d.utils.GeometryUtils;
+
+/**
+ * A set of compass [0..360) directions
+ */
+public class DirectionSet extends HashSet<Double> {
+
+ public static final DirectionSet NESW = new DirectionSet(0.0, 90.0, 180.0, 270.0);
+
+ public static final DirectionSet N = new DirectionSet(0.0);
+ public static final DirectionSet NE = new DirectionSet(0.0, 90.0);
+ public static final DirectionSet E = new DirectionSet(90.0);
+ public static final DirectionSet SE = new DirectionSet(90.0,180.0);
+ public static final DirectionSet S = new DirectionSet(180.0);
+ public static final DirectionSet SW = new DirectionSet(180.0, 270.0);
+ public static final DirectionSet W = new DirectionSet(270.0);
+ public static final DirectionSet NW = new DirectionSet(270.0, 0.0);
+
+ public static final DirectionSet NE2 = new DirectionSet(0.0, 90.0, 45.0);
+ public static final DirectionSet SE2 = new DirectionSet(90.0,180.0, 135.0);
+ public static final DirectionSet SW2 = new DirectionSet(180.0, 270.0, 225.0);
+ public static final DirectionSet NW2 = new DirectionSet(270.0, 0.0, 315.0);
+
+ public static final DirectionSet HORIZ = new DirectionSet(90.0, 270.0);
+ public static final DirectionSet VERT = new DirectionSet(0.0, 180.0);
+ public static final DirectionSet ANY =
+ new DirectionSet(
+ 0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180,
+ 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345);
+
+ private Set<Point2D> unitVectors;
+
+ public DirectionSet(double ... directions)
+ {
+ for (double d : directions)
+ add(d);
+ }
+
+ private static final long serialVersionUID = 1L;
+ private boolean add(double e) {
+ if (e<0 || e>=360.0) e = Math.IEEEremainder(e, 360.0);
+ if (e<0) e = 360.0-e;
+ return super.add(e);
+ }
+ @Override
+ public boolean add(Double e) {
+ unitVectors = null;
+ if (e==null) return false;
+ return add((double)e);
+ }
+ @Override
+ public boolean addAll(Collection<? extends Double> c) {
+ unitVectors = null;
+ return super.addAll(c);
+ }
+ @Override
+ public boolean remove(Object o) {
+ unitVectors = null;
+ return super.remove(o);
+ }
+ @Override
+ public boolean removeAll(Collection<?> c) {
+ unitVectors = null;
+ return super.removeAll(c);
+ }
+ @Override
+ public void clear() {
+ unitVectors = null;
+ super.clear();
+ }
+
+ public Double getClosestDirection(double d2)
+ {
+ Double closest = null;
+ for (Double d1 : this)
+ {
+ double diff = d1>180==d2>180 ? Math.abs(d1-d2) : d1<d2 ? d1-d2+360 : d2-d1+360;
+ if (closest==null || closest<diff)
+ closest = diff;
+ }
+ return closest;
+ }
+ public Double getClosestDirection(double d2, double tolerance)
+ {
+ Double closest = null;
+ for (Double d1 : this)
+ {
+ double diff = d1>180==d2>180 ? Math.abs(d1-d2) : d1<d2 ? d1-d2+360 : d2-d1+360;
+ if (diff>tolerance) continue;
+ if (closest==null || closest<diff)
+ closest = diff;
+ }
+ return closest;
+ }
+
+ /**
+ * Create direction set of inverse directions
+ * @return
+ */
+ public DirectionSet createInverse()
+ {
+ DirectionSet result = new DirectionSet();
+ for (double dir : this)
+ {
+ dir = dir + 180.0;
+ if (dir>360.0) dir-=360.0;
+ result.add(dir);
+ }
+ return result;
+ }
+
+
+ /**
+ * Get directions as unit vectors
+ * @return collection where to add unit vectors
+ */
+ private Set<Point2D> createUnitVectors() {
+ HashSet<Point2D> result = new HashSet<Point2D>(size());
+ for (double d : this)
+ result.add( GeometryUtils.toUnitVector(d, new Point2D.Double()) );
+ return result;
+ }
+
+ public Set<Point2D> getUnitVectors() {
+ if (unitVectors==null) {
+ unitVectors = createUnitVectors();
+ unitVectors = Collections.unmodifiableSet(unitVectors);
+ }
+ return unitVectors;
+ }
+
+
+
}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff